Term Name:	(-)-(4S,5S,10R,20R)-12,18-dihydroxy-7-oxo-abieta-8,11,13-trien-20-aldehyde 18,20-ethyl acetal
Synonyms:	(20R)-20-ethoxy-12-hydroxy-19,20-epoxyabieta-8,11,13-trien-7-one
Definition:	An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.
Ontology:	ChEBI [CHEBI:70565]  ( EBI )